package lwk.thread.state;

/**
 * @author:lwk
 * @create: 2022-08-02 19:37
 * @Description: 观察线程状态
 *
 * 已经结束(TERMINATED)的线程，不能再次启动
 */
public class TestState {
    public static void main(String[] args) throws InterruptedException {

        Thread thread = new Thread(()->{
            for (int i = 0; i < 5; i++) {
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                System.out.println("///////");
            }
        });

        // 观察状态
        Thread.State state = thread.getState();
        System.out.println(state);

        // 开启线程
        thread.start();
        state = thread.getState();
        System.out.println(state);

        // 只要线程不终止，就一直打印线程状态
        while (state != Thread.State.TERMINATED) {
            Thread.sleep(200);
            state = thread.getState();
            System.out.println(state);
        }


    }
}
